131230422234 has 72 divisors (see below), whose sum is σ = 303967602588. Its totient is φ = 40907842560.

The previous prime is 131230422229. The next prime is 131230422293. The reversal of 131230422234 is 432224032131.

131230422234 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 0 + 422 + 234 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 101630252025 + 29600170209 = 318795^2 + 172047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131230422198 and 131230422207.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 736374 + ... + 897054.

Almost surely, 2^131230422234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131230422234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151983801294).

131230422234 is an abundant number, since it is smaller than the sum of its proper divisors (172737180354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131230422234 is a wasteful number, since it uses less digits than its factorization.

131230422234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160880 (or 160860 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 131230422234 its reverse (432224032131), we get a palindrome (563454454365).

The spelling of 131230422234 in words is "one hundred thirty-one billion, two hundred thirty million, four hundred twenty-two thousand, two hundred thirty-four".